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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Results of radiator corrosion experiments in a table format.

Identifier  ExFiles\Box 27a\3\  Scan052
Date  16th August 1929
  
RESULTS OF RADIATOR CORROSION EXPERIMENTS.

Test No. | Depth of Sediment on Vessel Bottom. | Condition of Materials
--- | --- | ---
| | Cast Iron | Aluminium. | Radiator Tubes.
1 | 3/16" | Rusty | Good | Good
2 | 3/16" | Rusty | Badly attacked. | Slightly scummy.
3 | 3/16" | Rusty | Slightly attacked and scummed. | Scummy.
4 | 1/8" | Rusty | Attacked. | Scummy
5 | 1/8" | Rusty | Corroded and slightly scummy. | Good.
6 | 3/32" | Rusty | Badly corroded. | Dark filmed.
7 | 1/8" | Rusty | Slightly corroded. | Good.
8 | 1/16" | Rusty | Corroded | Green coherent film.
9 | 3/16" | Rusty | Very slightly corroded | Very slightly corroded
10 | 3/16" | Rusty | Seriously corroded. | Very slightly corroded
11 | 1/8" | Rusty | Slightly corroded. | Moderate but slightly corroded.
12 | 3/16" | Rusty | Badly corroded. | As 11.
13. | 1/8" | Badly Crusted. Some corrosion. | | Slightly corroded.
14. | Everything rather worse than 13.

(cont.)
  
  


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